{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944028,-0.329866,0.000000,0.000000,0.184308,-0.527462,0.829346,0.000000,-0.272997,0.781278,0.561318,0.000000,-1743052.005068,4988359.966219,3559951.514624,1],    "boundingVolume": {    "region": [1.906910,0.595920,1.907006,0.596035,0.000000,8.773497]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/9_1266914.b3dm"}}}